DC Generators In case of dc machines, mechanical losses are primary function of Speed Voltage None of the listed here Current Speed Voltage None of the listed here Current ANSWER DOWNLOAD EXAMIANS APP
DC Generators If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to increase the speed of primemover check armature insulation resistance reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is unequal speed regulation of their primemovers unequal number of turns in their series field windings their rising voltage characteristics unequal series field resistances unequal speed regulation of their primemovers unequal number of turns in their series field windings their rising voltage characteristics unequal series field resistances ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Magnetic field Electric field None of the listed here Both electrical and magnetic fields Magnetic field Electric field None of the listed here Both electrical and magnetic fields ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of commutator segments Number of poles Number of parallel paths Number of pole pairs Number of commutator segments Number of poles Number of parallel paths Number of pole pairs ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc machine is laminated in order to reduce Copper loss Frictional loss Eddy current loss Hysteresis loss Copper loss Frictional loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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